Bug in trying to display LaTeX files?

When trying to display a LaTeX file with a2ps under debian linux, I get 
the following error message:




eder@trauermantel:~$ a2ps -Pdisplay x.tex
[x.tex (tex, delegated to texi2dvi): 1 page on 1 sheet]
gv: invalid option -- a
Usage: gv [OPTION]... [FILE]
PostScript and PDF viewer.
   --monochrome               display document using only black and white
   --grayscale                display document without colors
   --color                    display document as usual
   --safer                    start ghostscript in safe mode
   --nosafer                  do not start ghostscript in safe mode
   --quiet                    start ghostscript with the -dQUIET option
   --noquiet                  do not start ghostscript with the -dQUIET 
option
   --arguments=ARGS           start ghostscript with additional options 
as specified
                              by the string ARGS
   --page=LABEL               display the page with label LABEL first
   --center                   the page should be centered automatically
   --nocenter                 the page should not be centered automatically
   --media=MEDIA              selects the paper size to be used
   --orientation=ORIENTATION  sets the orientation of the page
   --scale=N                  selects the scale N
   --scalebase=N              selects the scale base N
   --swap                     interchange the meaning of the 
orientations landscape
                              and seascape
   --noswap                   do not interchange the meaning of the 
orientation
                              landscape and seascape
   --antialias                use antialiasing
   --noantialias              do not use antialiasing
   --dsc                      dsc comments are respected
   --nodsc                    dsc comments are not respected
   --eof                      ignore the postscript EOF comment while 
scanning
                              documents
   --noeof                    do not ignore the postscript EOF comment while
                              scanning documents
   --pixmap                   use backing pixmap
   --nopixmap                 do not use backing pixmap
   --watch                    watch the document file for changes
   --nowatch                  do not watch the document file for changes
   --help                     print a help message and exit
   --usage                    print a usage message and exit
   --resize                   fit the size of the window to the size of 
the page
   --noresize                 do not fit the size of the window to the 
size of the page
   -geometry [<width>][x<height>][{+-}<xoffset>{+-}<yoffset>]
   --ad=FILE                  read and use additional resources from FILE
   --style=FILE               read and use additional resources from 
FILE. Theseresources
                              have lower priority than those provided on 
the context of --ad
   --spartan                  shortcut for --style=gv_spartan.dat
   --version                  show gv version and exit

[Total: 2 pages on 1 sheet] sent to the printer `display'
eder@trauermantel:~$





Here is the version of a2ps I am using:


eder@trauermantel:~$ a2ps --version
GNU a2ps 4.13
Written by Akim Demaille, Miguel Santana.

Copyright (c) 1988-1993 Miguel Santana
Copyright (c) 1995-2000 Akim Demaille, Miguel Santana
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
eder@trauermantel:~$



and here is the contents of the file x.tex:


\documentclass{article}

\begin{document}
x
\end{document}